Finding the Fourth Proportional to 269,833, 404,769.12 and 103,621

Step by Step Solution

1. Step 1: Write the proportion equation
   269,833 : 404,769.12 = 103,621 : x
2. Step 2: Convert to fraction form
   269,833/404,769.12 = 103,621/x
3. Step 3: Cross multiply
   269,833x = 404,769.12 × 103,621
4. Step 4: Simplify right side
   269,833x = 41,942,580,983.52
5. Step 5: Solve for x
   x = 41,942,580,983.52/269,833
6. Step 6: Final answer
   x = 155,439.03